Search found 77 matches

by OB General Science - guoqingw
Thu Oct 26, 2023 10:53 am America/New_York
Forum: Home
Question: Chlorophyll product
Replies: 1

Re: Chlorophyll product

Hi Giovanni, You can find all the information regarding the quality flags on this webpage: https://oceancolor.gsfc.nasa.gov/resources/atbd/ocl2flags/ If you are using the L2 products, the flags and masks are included in the file. One easy way to find those info is opening the data file in SeaDAS. Fo...
by OB General Science - guoqingw
Thu Oct 05, 2023 2:15 pm America/New_York
Forum: Home
Question: L1A data downloads stop
Replies: 6

Re: L1A data downloads stop

Hi Josep,

It seems the files were located on our server but the downloading was incomplete. Do you mind trying to use the app key and let us know how it works? You can find more details on this page: https://oceancolor.gsfc.nasa.gov/data/download_methods/
by OB General Science - guoqingw
Thu Oct 05, 2023 11:24 am America/New_York
Forum: Home
Question: PIC-Kd490 correlation
Replies: 2

Re: PIC-Kd490 correlation

Hey,

If you came across data related questions or issues to report, our experts will be able to help; but for data analysis related scientific questions for a particular region, you got to figure it out by yourself.
by OB General Science - guoqingw
Thu Sep 21, 2023 11:31 am America/New_York
Forum: Home
Question: CZCS bands to calculate FU index
Replies: 4

Re: CZCS bands to calculate FU index

Uma,

Here is a help page about SNAP time series management:
https://seadas.gsfc.nasa.gov/help-8.3.0/timeseriestool/TimeSeriesManager.html

Hope it helps.
Guoqing
by OB General Science - guoqingw
Wed Aug 30, 2023 4:48 pm America/New_York
Forum: Home
Question: ARTIFACTS IN L3 MODIS ACQUA CHLOROPHYLL IMAGES
Replies: 3

Re: ARTIFACTS IN L3 MODIS ACQUA CHLOROPHYLL IMAGES

Hi, sorry for the delayed response. And sorry that I can't debug your code, but have you noticed similar patterns in our L3 MODIS Aqua chlorophyll images? If so, please provide more details. Otherwise, you may want to check your code for the way that you count the NAN at the same pixel/bin/location.
by OB General Science - guoqingw
Mon Aug 28, 2023 10:24 am America/New_York
Forum: Home
Question: How to batch download anc file
Replies: 2

Re: How to batch download anc file

Hi, you can use the file search tool to search for ancillary data (https://oceandata.sci.gsfc.nasa.gov/api/file_search/), then batch downloading them.
by OB General Science - guoqingw
Mon Aug 21, 2023 2:07 pm America/New_York
Forum: Home
Question: NASA OceanColor Website Access
Replies: 4

Re: NASA OceanColor Website Access

Do you mind sharing your workplace IP? So the expert can check from our end.
You can send the information to systems@oceancolor.sci.gsfc.nasa.gov and webadmin@oceancolor.gsfc.nasa.gov. Thanks.
by OB General Science - guoqingw
Fri Aug 18, 2023 10:45 pm America/New_York
Forum: Home
Question: NASA OceanColor Website Access
Replies: 4

Re: NASA OceanColor Website Access

Hello, is the issue persistent across various computers and under different internet environments (e.g. home or school internet)? We updated our website about a month ago. You may want to try clear your cache and reload the website again.
by OB General Science - guoqingw
Mon Jul 24, 2023 3:52 pm America/New_York
Forum: Home
Question: Relationship between various temporal PIC products
Replies: 2

Re: Relationship between various temporal PIC products

Here is the technical report regarding our L3 binning scheme:
https://oceancolor.gsfc.nasa.gov/SeaWiFS/TECH_REPORTS/PreLPDF/PreLVol32.pdf

With the website updating, please let me know if the link fails.
by OB General Science - guoqingw
Mon Jul 24, 2023 11:51 am America/New_York
Forum: Home
Question: CZCS bands to calculate FU index
Replies: 4

Re: CZCS bands to calculate FU index

Hi Dionysia,

As Forel-Ule Index is not one of our products, I cannot make comments on it. My suggestion is reviewing more literatures on this topic.